/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package servlet;

import java.io.*;
import java.net.*;
import model.*;
import dbcontroller.*;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author micheal
 */
public class checkID extends HttpServlet {
   
    /** 
    * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
    * @param request servlet request
    * @param response servlet response
    */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String id=request.getParameter("id");
        
        User register=User.getInstance();
        UserController regist=UserController.getInstance();
        
        register.SetID(id);
        
        if(regist.CheckUser(register)){
            out.write("false");        
        }else{
            out.write("true");        
        }        
     
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet 方法。单击左侧的 + 号以编缉代码。">
    /** 
    * Handles the HTTP <code>GET</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
    * Handles the HTTP <code>POST</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
    * Returns a short description of the servlet.
    */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}
